打开App
360P
数学7上：若多项式A-B的差中不含x³和x²项，怎么求m+n的值？
数学7上：若多项式A-B的差中不含x³和x²项，怎么求m+n的值？
七年级数学，代数式，单项式，多项式，整式加减，化简培优专题57/164
App02:03
App03:16
App06:50
App03:37
App02:00
App02:45
App02:17
App02:18
App02:39
App02:10
App05:42
App02:08
App18:43
App02:31
App03:12
App03:38
App05:23
App04:48
App02:26
App05:26
App02:57
App02:55
App02:37
App03:16
App02:44
App02:30![数学7上：(2a²b+2ab²)-[2(a²b-1)+3ab²+2]，整式加减化简求值](http://p3-sign.bdxiguaimg.com/tos-cn-p-0000/321efccad2da40a093e3da72df4f5732~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250105004038C22ED1D6C8CE8433ED44&requestFrom=704&version_code=80402&x-expires=1767544839&x-signature=na4VASh%2BP0jhrbj%2FGw8dlOSE6C0%3D)
App02:38
App04:02
App03:52
App05:38
App03:18打开App观看
